AV 2104 then QR 2091 at San Francisco
San Luis Obispo → San Francisco → Santa Ana
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
09:00QR 2091 to Santa Ana leaves the gate
13 h 04 apart on the timetable, overnight
QR 2091 leaves 13 h 04 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.